What became the driving force behind the rising American economy!

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

In 1073, the fight over who gets to choose bishops was between pope gregory vii and king henry the iv. t or f

Why have some historians rejected the labels bc and ad as laels for periods in world history